Column
- Math
Checking It Twice
Election officials have had no practical way to guarantee a correct ballot count—until now.
- Math
Small Infinity, Big Infinity
A mathematician develops a new proof showing that infinity comes in different sizes.
- Math
The Power of Being Influenced
Network theory shows that the best way to spread ideas is to focus on people who are influenced rather than the influential.
- Math
Questionable Numbers for a Questionable Remedy
Echinacea might be useful as a cold remedy or preventative, but science hasn't shown it yet.
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